d1 = 1.7 (slider from -5 to 5)
d2 = 1.5 (slider from -5 to 5)
d3 = 1.9 (slider from -5 to 5)
A = Intersect(xAxis, yAxis)
c = Circle(A, d1)
B = Point(yAxis)
d = Circle(B, d2)
C = Point(xAxis)
e = Circle(C, d3)
D = Intersect(c, e, 1)
f = Segment(A, D)
g = Segment(D, C)
E = Intersect(c, e, 2)
h = Segment(A, E)
i = Segment(E, C)
F = Point(g)
j = Line(F, D)
G = Intersect(d, j, 1)
k = Segment(B, G)